Answer:
The amount one locust eats in a week is 420/30 = 14 grams so it eats 14/7 = 2 grams per day, therefore 21 locusts can eat 21 * 14 = 42 grams per day. 420 / 42 = 10 so the answer is 10 days or 1 week and 3 days.
Salary after 12 years = $28,000(1+0.026)^12 =$38100.12
5 1/2%=5.5%
5.5%=5.5/100=55/1000
55/1000=11/200
Answer:
The last one right
Step-by-step explanation:
Divide by L both sides
6+9=15
y+9=x
x=30
y+9=30
y=21
